the goal is to push interest rates even lower, and spur growth. >> unfortunately, the fed can't directly create jobs. the fed cannot directly make people spend money. so, the best tool they have is the interest rate tool. we know they can get interest rates lower, they have done a great job of that so far. >> reporter: still, the timing of such a move is up for some debate. economist drew matus predicts the fed won't need to buy extra assets, because he believes the economy will improve. if he's wrong, however, he's got a longer timetable for the purchases. >> i wouldn't look for it in november, if you look for it any time. i think in the current environment, easing the day after an election is not going to win the fed any friends. so, i think they would avoid making that action then. i think if you're looking for quantitative easing, you should probably be looking for december now. of course, fed policymakers can always take action to spur growth between meetings. but, experts say such moves are extremely rare and would only happen if the economy took a serious turn for the worst.